Shield



FIG. 1 is a perspective view of a shield showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a front view thereof unassembled, the rear view being a mirror image.

The relatively thin shade lines represent contour, not surface ornamentation.

The dashed broken lines represent a perforated edge and forms part of the claimed design. 

CLAIM The ornamental design for a shield, as shown and described. 